Planning complex engineer-to-order products

Earl, Christopher; Song, Dong Ping and Hicks, Christian (2003). Planning complex engineer-to-order products. In: Gogu, Grigore; Coutellier, Daniel; Chedmail, Patrick and Ray, Pascal eds. Recent Advances in Integrated Design and Manufacturing in Mechanical Engineering. Dordecht, Netherlands: Kluwer, pp. 463–472.



The design and manufacture of complex Engineer-to-Order products is characterised by uncertain operation durations, finite capacity resources and multilevel product structures. Two scheduling methods are presented to minimise expected costs for multiple products across multiple finite capacity resources. The first sub-optimises the operations sequence, using mean operation durations, then refines the schedule by perturbation. The second method generates a schedule of start times directly by random search with an embedded simulation of candidate schedules for evaluation. The methods are compared for industrial examples.

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